Patents by Inventor Soo Ji CHOI

Soo Ji CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210393181
    Abstract: Provided is an emotional contagion evaluating method and apparatus using an electrocardiogram (ECG). The emotional contagion evaluating method includes: detecting ECG raw signals of two test participants involved in social interactions by using an ECG sensor; extracting ECG signals digitized by sampling the ECG raw signals at a certain sampling frequency; extracting R-peak to R-peak intervals (RRIs) from the ECG signals; extracting heart rhythm patterns (HRPs) from the RRIs; calculating a correlation coefficient (r) by using the HRPs of the two test participants; and evaluating emotional contagion between the two test participants by using the correlation coefficient (r).
    Type: Application
    Filed: June 19, 2020
    Publication date: December 23, 2021
    Inventors: Sang In PARK, Min Cheol WHANG, Soo Ji CHOI, Dong Won LEE, Sung Chul MUN